package com.quick.framework.aspectj;

import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.filter.SimplePropertyPreFilter;
import com.quick.common.annotation.Log;
import com.quick.common.core.domain.LoginUser;
import com.quick.common.enums.BusinessStatusEnum;
import com.quick.common.utils.SecurityUtils;
import com.quick.common.utils.ServletUtils;
import com.quick.common.utils.StringUtils;
import com.quick.common.utils.ip.IpUtils;
import com.quick.framework.event.LogEvent;
import lombok.Data;
import org.apache.commons.lang3.ArrayUtils;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.core.NamedThreadLocal;
import org.springframework.http.HttpMethod;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;
import org.springframework.validation.BindingResult;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Collection;
import java.util.Date;
import java.util.Map;
import java.util.Objects;

/**
 * 操作日志记录处理
 *
 * @Author: 吃素不吃肉
 * @Date: Tue Jul 25 14:29:19 CST 2023
 */
@Aspect
@Component
public class LogAspect {
    private static final Logger log = LoggerFactory.getLogger(LogAspect.class);
    @Autowired
    private ApplicationContext applicationContext;

    /**
     * 排除敏感属性字段
     */
    public static final String[] EXCLUDE_PROPERTIES = {"password", "oldPassword", "newPassword", "confirmPassword"};

    /**
     * 计算操作消耗时间
     */
    private static final ThreadLocal<Long> TIME_THREADLOCAL = new NamedThreadLocal<>("Cost Time");

    /**
     * 处理请求前执行
     */
    @Before(value = "@annotation(controllerLog)")
    public void boBefore(Log controllerLog) {
        TIME_THREADLOCAL.set(System.currentTimeMillis());
    }

    /**
     * 处理完请求后执行
     *
     * @param joinPoint 切点
     */
    @AfterReturning(pointcut = "@annotation(controllerLog)", returning = "jsonResult")
    public void doAfterReturning(JoinPoint joinPoint, Log controllerLog, Object jsonResult) {
        handleLog(joinPoint, controllerLog, null, jsonResult);
    }

    /**
     * 拦截异常操作
     *
     * @param joinPoint 切点
     * @param e         异常
     */
    @AfterThrowing(value = "@annotation(controllerLog)", throwing = "e")
    public void doAfterThrowing(JoinPoint joinPoint, Log controllerLog, Exception e) {
        handleLog(joinPoint, controllerLog, e, null);
    }

    protected void handleLog(final JoinPoint joinPoint, Log controllerLog, final Exception e, Object jsonResult) {
        try {
            // 获取当前的用户
            LoginUser loginUser = SecurityUtils.getLoginUser();

            // *========数据库日志=========*//
            SysLog sysLog = new SysLog();
            sysLog.setStatus(BusinessStatusEnum.SUCCESS.ordinal());
            // 请求的地址
            String ip = IpUtils.getIpAddr(ServletUtils.getRequest());
            sysLog.setOperateIp(ip);
            sysLog.setOperateUrl(StringUtils.substring(ServletUtils.getRequest().getRequestURI(), 0, 255));
            if (loginUser != null) {
                sysLog.setOperateName(loginUser.getUsername());
            }
            if (e != null) {
                sysLog.setStatus(BusinessStatusEnum.FAIL.ordinal());
                sysLog.setErrorMsg(StringUtils.substring(e.getMessage(), 0, 2000));
            }
            // 设置方法名称
            String className = joinPoint.getTarget().getClass().getName();
            String methodName = joinPoint.getSignature().getName();
            sysLog.setMethod(className + "." + methodName + "()");
            // 设置请求方式
            sysLog.setRequestMethod(ServletUtils.getRequest().getMethod());
            // 处理设置注解上的参数
            getControllerMethodDescription(joinPoint, controllerLog, sysLog, jsonResult);
            // 设置消耗时间
            sysLog.setCostTime(System.currentTimeMillis() - TIME_THREADLOCAL.get());
            // 保存数据库
            applicationContext.publishEvent(new LogEvent(this,sysLog));
        } catch (Exception exp) {
            // 记录本地异常日志
            log.error("异常信息:{}", exp.getMessage());
        } finally {
            TIME_THREADLOCAL.remove();
        }
    }

    /**
     * 获取注解中对方法的描述信息 用于Controller层注解
     *
     * @param log     日志
     * @param sysLog 操作日志
     * @throws Exception 异常
     */
    public void getControllerMethodDescription(JoinPoint joinPoint, Log log, SysLog sysLog, Object jsonResult) throws Exception {
        // 设置action动作
        sysLog.setBusinessType(log.businessType().ordinal());
        // 设置标题
        sysLog.setTitle(log.title());
        // 设置操作人类别
        sysLog.setOperatorType(log.operatorType().ordinal());
        // 是否需要保存request，参数和值
        if (log.isSaveRequestData()) {
            // 获取参数的信息，传入到数据库中。
            setRequestValue(joinPoint, sysLog, log.excludeParamNames());
        }
        // 是否需要保存response，参数和值
        if (log.isSaveResponseData() && Objects.nonNull(jsonResult)) {
            sysLog.setJsonResult(StringUtils.substring(JSON.toJSONString(jsonResult), 0, 2000));
        }
    }

    /**
     * 获取请求的参数，放到log中
     *
     * @param sysLog 操作日志
     * @throws Exception 异常
     */
    private void setRequestValue(JoinPoint joinPoint, SysLog sysLog, String[] excludeParamNames) throws Exception {
        Map<?, ?> paramsMap = ServletUtils.getParamMap(ServletUtils.getRequest());
        String requestMethod = sysLog.getRequestMethod();
        if (CollectionUtils.isEmpty(paramsMap)
                && (HttpMethod.PUT.name().equals(requestMethod) || HttpMethod.POST.name().equals(requestMethod))) {
            String params = argsArrayToString(joinPoint.getArgs(), excludeParamNames);
            sysLog.setOperateParam(StringUtils.substring(params, 0, 2000));
        } else {
            sysLog.setOperateParam(StringUtils.substring(JSON.toJSONString(paramsMap, excludePropertyPreFilter(excludeParamNames)), 0, 2000));
        }
    }

    /**
     * 参数拼装
     */
    private String argsArrayToString(Object[] paramsArray, String[] excludeParamNames) {
        StringBuilder params = new StringBuilder();
        if (paramsArray != null) {
            for (Object o : paramsArray) {
                if (Objects.nonNull(o) && !isFilterObject(o)) {
                    try {
                        String jsonObj = JSON.toJSONString(o, excludePropertyPreFilter(excludeParamNames));
                        params.append(jsonObj).append(" ");
                    } catch (Exception ignored) {
                    }
                }
            }
        }
        return params.toString().trim();
    }

    /**
     * 忽略敏感属性
     */
    public SimplePropertyPreFilter excludePropertyPreFilter(String[] excludeParamNames) {
         SimplePropertyPreFilter simplePropertyPreFilter = new SimplePropertyPreFilter();
        for (String excludeParamName : ArrayUtils.addAll(EXCLUDE_PROPERTIES, excludeParamNames)) {
            simplePropertyPreFilter.getExcludes().add(excludeParamName);
        }
        return simplePropertyPreFilter;
    }

    /**
     * 判断是否需要过滤的对象。
     *
     * @param o 对象信息。
     * @return 如果是需要过滤的对象，则返回true；否则返回false。
     */
    @SuppressWarnings("rawtypes")
    public boolean isFilterObject(final Object o) {
        Class<?> clazz = o.getClass();
        if (clazz.isArray()) {
            return clazz.getComponentType().isAssignableFrom(MultipartFile.class);
        } else if (Collection.class.isAssignableFrom(clazz)) {
            Collection collection = (Collection) o;
            for (Object value : collection) {
                return value instanceof MultipartFile;
            }
        } else if (Map.class.isAssignableFrom(clazz)) {
            Map map = (Map) o;
            for (Object value : map.entrySet()) {
                Map.Entry entry = (Map.Entry) value;
                return entry.getValue() instanceof MultipartFile;
            }
        }
        return o instanceof MultipartFile || o instanceof HttpServletRequest || o instanceof HttpServletResponse
                || o instanceof BindingResult;
    }
    @Data
   public static class SysLog{
        private String title;

        /** 业务类型（0其它 1新增 2修改 3删除） */
        private Integer businessType;

        /** 方法名称 */

        private String method;

        /** 请求方式 */

        private String requestMethod;

        /** 操作类别（0其它 1后台用户 2手机端用户） */

        private Integer operatorType;

        /** 操作人员 */

        private String operateName;

        /** 部门名称 */

        private String deptName;

        /** 请求URL */

        private String operateUrl;

        /** 主机地址 */

        private String operateIp;

        /** 操作地点 */

        private String operateLocation;

        /** 请求参数 */

        private String operateParam;

        /** 返回参数 */

        private String jsonResult;

        /** 操作状态（0正常 1异常） */

        private Integer status;

        /** 错误消息 */

        private String errorMsg;

        /** 操作时间 */

        private Date operateTime;
        /** 耗时 */
        private Long costTime;
    }
    
    
}
